Home / 3,459,909.86-5,190,811.68-1,664,295.38

Finding the Fourth Proportional to 3,459,909.86, 5,190,811.68 and 1,664,295.38

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Solution

The fourth proportional to 3,459,909.86, 5,190,811.68 and 1,664,295.38 is: 2,496,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,909.86 : 5,190,811.68 = 1,664,295.38 : x
  2. Step 2: Convert to fraction form
    3,459,909.86/5,190,811.68 = 1,664,295.38/x
  3. Step 3: Cross multiply
    3,459,909.86x = 5,190,811.68 × 1,664,295.38
  4. Step 4: Simplify right side
    3,459,909.86x = 8,639,043,897,474.04
  5. Step 5: Solve for x
    x = 8,639,043,897,474.04/3,459,909.86
  6. Step 6: Final answer
    x = 2,496,898.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.